HOW DOES LABDOOR TEST PRODUCTS?

We buy products in the same fashion as the
average consumer - through retail stores
and online sites. No manufacturer-supplied

samples are permitted at LabDoor.

2.PREPARE SAMPLES
FOR TESTING

We collect one unit of each product, record its lot
number and expiration date, capture high-quality
photographs of the label, and send it to an
FDA-registered laboratory, qualified and

selected by LabDoor, for a chemical analysis.

3.COLLECT
LABORATORY
RESULTS

Products are received by the chemists and
run through a series of analytical chemical
assays to measure active ingredient content

and identify potential contaminants.

4.PERFORM DATA
CALCULATIONS

Results collected during the chemical analyses,
plus the values on each product's Supplement
Facts label, are entered into LabDoor's product
database, where a series of calculations are

automatically generated.

5.CONVERT DATA
INTO RATINGS

Based on these calculations, LabDoor's
proprietary algorithms create ratings for each
product along five axes - label accuracy, product
purity, nutritional value, ingredient safety, and

projected efficacy.

6.CALCULATE GRADES
AND RANKINGS

These five ratings are combined to create a quality
score, which is used to generate a single, A-F letter
grade for each product, along with two rankings that
estimate which products are expected to provide

the "highest quality" and "best value" for consumers.

7.CREATE PRODUCT
OVERVIEWS AND
REPORTS

Our scientists review the results, grades, and
rankings, and write reports that summarize our
findings. Finally, our technology team builds web
and mobile applications that deliver all of this